Supreme Court of the United States / October Term 2020

United States v. Cooley

Decided June 1, 2021. Stephen Gerald Breyer delivered the opinion of the Court.

Docket 19-1414 · 593 U.S. 345 · Cited 22 times

Holding

A tribal police officer has authority to detain temporarily and to search a non-Indian traveling on a public right-of-way running through a reservation for potential violations of state or federal law.

The Court’s statement of the holding, from the opinion’s syllabus. The syllabus is prepared by the Reporter of Decisions and is not part of the opinion of the Court — read the official opinion for authority.

Official text

Read the official opinion (PDF, supremecourt.gov) (opens primary source in a new tab)

Explore from here

Stephen Gerald Breyer’s profile · All opinions since October Term 2017 · The Supreme Court

Source: Supreme Court of the United States, slip opinions (2021). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-02. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).